IVGCVSW-1897 : build infrastructure for the src/backends folder

Change-Id: I7ebafb675ccc77ad54d1deb01412a8379a5356bb

1 files changed, 30 insertions, 0 deletions

diff --git a/src/backends/NeonWorkloads/NeonSoftmaxBaseWorkload.cpp b/src/backends/NeonWorkloads/NeonSoftmaxBaseWorkload.cpp
new file mode 100644
index 0000000000..ca9e4f058d
--- /dev/null
+++ b/src/backends/NeonWorkloads/NeonSoftmaxBaseWorkload.cpp
@@ -0,0 +1,30 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include "NeonSoftmaxBaseWorkload.hpp"
+
+#include "backends/ArmComputeTensorUtils.hpp"
+
+namespace armnn
+{
+
+arm_compute::Status NeonSoftmaxWorkloadValidate(const TensorInfo& input,
+                                                const TensorInfo& output,
+                                                const SoftmaxDescriptor& descriptor)
+{
+    // NOTE: We report 4D Softmax as unsupported until full support is added to ACL
+    if(input.GetShape().GetNumDimensions() >= 4u)
+    {
+        return arm_compute::Status(arm_compute::ErrorCode::RUNTIME_ERROR, "4d softmax is not supported");
+    }
+
+    const arm_compute::TensorInfo aclInputInfo = armcomputetensorutils::BuildArmComputeTensorInfo(input);
+    const arm_compute::TensorInfo aclOutputInfo = armcomputetensorutils::BuildArmComputeTensorInfo(output);
+
+    return arm_compute::NESoftmaxLayer::validate(&aclInputInfo, &aclOutputInfo, descriptor.m_Beta);
+}
+
+} //namespace armnn
+